A Patient Is Admitted to the Hospital with Multiple Trauma

A patient is admitted to the hospital with multiple trauma and extensive blood loss.The nurse assesses vital signs to be BP 80/50 mm Hg,heart rate 135 beats/min,respirations 36 breaths/min,cardiac output (CO) of 2 L/min,systemic vascular resistance of 3000 dynes/sec/cm-?,and a hematocrit of 20%.The nurse anticipates administration of which the following therapies or medications?

A) Blood transfusion
B) Furosemide
C) Dobutamine infusion
D) Dopamine hydrochloride infusion